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Add 21/14 and 20/8

1st number: 1 7/14, 2nd number: 2 4/8

21/14 + 20/8 is 4/1.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 8 is 56

    Next, find the equivalent fraction of both fractional numbers with denominator 56
  2. For the 1st fraction, since 14 × 4 = 56,
    21/14 = 21 × 4/14 × 4 = 84/56
  3. Likewise, for the 2nd fraction, since 8 × 7 = 56,
    20/8 = 20 × 7/8 × 7 = 140/56
  4. Add the two like fractions:
    84/56 + 140/56 = 84 + 140/56 = 224/56
  5. 224/56 simplified gives 4/1
  6. So, 21/14 + 20/8 = 4/1

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